No big plans this Memorial Day weekend? Not to worry. As it traditionally does, this weekend promises to offer quite a bit of racing entertainment from some of the most famous race tracks in the world. We've rounded up the schedules and available coverage below, as there's no better weekend to be a couch potato.ADAC 24h Rennen Nürburgring
No matter the name, this 24-hour endurance race is extreme. The track includes the Grand Prix section, making for a 14.2 mile lap. And the entry list is huge. Amongst the 220-odd entries will be a slew of factory-backed Volkswagen Sciroccos and Lexus LF-As. You also can expect the requisite number of Porsches, R8s, and BMWs, all divided into their respective classes. Overall, the factory-backed Manthey Racing has reigned over first place with a Porsche GT3 since 2006.The race starts Saturday, and, for coverage, you'll have to scour the Web for audio and video feeds. Keep an eye on the race's main website for live updates.

Formula One Monaco GP
While the drama off-track never stops, Jensen Button and Rubens Barrichello look to continue Brawn GP's dominance at the Monaco Grand Prix. The two lead the 2009 season thus far, ahead of Red Bull's Sebastian Vettel, while last year's champion, Lewis Hamilton, struggles in seventh. Nico Rosberg in the Williams Toyota set the pace at practice, besting the nearest rival by two-tenths of a second. Saturday will bring qualifying rounds, determining the all-important starting positions for this tight, twisty street race.Speed TV airs the race live Sunday morning at 1:30 a.m. If you're too busy sleeping, check the replay at 7:30 a.m. If you're partying, there's another replay scheduled for 5:30 p.m.

Indianapolis 500
The 93rd running of "The Greatest Spectacle in Racing" kicks off this Sunday. Hélio Castroneves, who set a pole speed of 224.86 mph, starts the race in first position. Graham Rahal and Mario Moraes follow in second and third. Danica Patrick qualified fourth, and Paul Tracy, who last contested the Indy 500 in 2002, starts from fifth. Tony Kanaan, who leads the series by one point over Ryan Briscoe, will have to fight his way from eleventh.ABC begins its coverage of the 2009 Indy 500 at noon on Sunday.*All times are ET